Pita/etherpad-lite — comment on commit 0f7e6feda11a4c4c4ba0b9cca1a6bb895a6d3889
File:  line 0
By Wikinaut:

use decodeURIComponent(userName) instead of unescape(userName)

this fixes issue https://github.com/Pita/etherpad-lite/issues/461